Index_V

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V

valid documents, explanation of, 551

valid XML, overview of, 552-555. See also well- formed XML; XML (Extensible Markup Language);

validation. See also form validation

benefit of, 45-47

of blinking text, 260

validation error message, example of, 554

value attribute

using with Reset and Submit buttons on forms, 384

using with textarea element and forms, 375-376

<var> (variable) element, overview of, 731-732

variables , declaring in JavaScript, 446

VBScript, overview of, 435-436

vcard_name attribute, using for form accessibility, 395-396

vertical-align CSS1 text property, overview of, 299

vestigial lists, examples of, 75-76

video

including, 255-256

overview of, 255-260

/video directory, contents of, 542

video files, syntax for, 256

video formats, table of, 255

visibility property in CSS2, overview of, 337-338

visible value of CSS2 visibility property, explanation of, 337-338

Visited link state, explanation of, 112

visual acceptance testing, performing for Web site projects, 50

visual design, HTML approach toward, 171-180

vlink attribute, changing, 110, 191

VML (Vector Markup Language) format, explanation of, 264

voice-family property in CSS2, overview of, 354

volume attribute

using with < bgsound > tag, 250-251

using with QuickTime, 259

volume property in CSS2, overview of, 355

vspace attribute

imitating with style sheets, 322-324

using with images, 158-159

using with QuickTime, 259

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